Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2011-0541 CVE-2011-0542 CVE-2011-0543 |
CWE-ID | CWE-59 CWE-264 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Fuse Server applications / Application servers |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU44757
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2011-0541
CWE-ID:
CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
fuse 2.8.5 and earlier does not properly handle when /etc/mtab cannot be updated, which allows local users to unmount arbitrary directories via a symlink attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsFuse: 1.9 - 2.8.4
External linkshttp://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse;a=commit;h=bf5ffb5fd8558bd799791834def431c0cee5a11f
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://www.openwall.com/lists/oss-security/2011/02/02/2
http://www.openwall.com/lists/oss-security/2011/02/03/5
http://www.openwall.com/lists/oss-security/2011/02/08/4
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU44758
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2011-0542
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.
MitigationInstall update from vendor's website.
Vulnerable software versionsFuse: 1.9 - 2.8.4
External linkshttp://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse;a=commit;h=1e7607ff89c65b005f69e27aeb1649d624099873
http://www.openwall.com/lists/oss-security/2011/02/02/2
http://www.openwall.com/lists/oss-security/2011/02/03/5
http://www.openwall.com/lists/oss-security/2011/02/08/4
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU44759
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2011-0543
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
Certain legacy functionality in fusermount in fuse 2.8.5 and earlier, when util-linux does not support the --no-canonicalize option, allows local users to bypass intended access restrictions and unmount arbitrary directories via a symlink attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsFuse: 1.9 - 2.8.4
External linkshttp://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse;a=commit;h=cbd3a2a84068aae6e3fe32939d88470d712dbf47
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://www.openwall.com/lists/oss-security/2011/02/02/2
http://www.openwall.com/lists/oss-security/2011/02/03/5
http://www.openwall.com/lists/oss-security/2011/02/08/4
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.